Arizona DMV CDL General Knowledge Quick Practice Test 2

Arizona DMV CDL General Knowledge Quick Practice Test 2 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

The brakes will squeak.
The brakes may freeze so the vehicle cannot move.
The brakes may suddenly release by themselves.
The brakes may explode.

2. On a truck with air brakes, the braking system’s air compressor:

Pumps air into the air storage tanks.
Fills the tires.
Moves air to the back of the truck.
Cleans the brakes.

3. The maximum amount of play that is safe on a 20-inch steering wheel is:

One-quarter of an inch.
Two inches.
10 inches.

4. How many air storage tanks are used in an air brake system?

Two tanks
Four tanks
Six tanks
The number varies.

5. When driving, you should stop and take a break ____ to avoid becoming too tired.

Every half hour
Every hour
Every two hours
Every six hours

6. If loading cargo that will not entirely fill up a trailer, the cargo should be placed:

At the front of the trailer.
At the rear of the trailer.
In the middle of the trailer.
Anywhere in the trailer.

7. When drivers turn, they usually:

Look in the direction of the turn.
Look in the direction opposite the turn.
Look behind their vehicles.

8. Which of the following is true?

It is safe to drive on a tire that is missing one or two lug nuts.
A cracked lock ring on a rim is safe if you are not driving faster than 55 mph.
A missing clamp on a rim is dangerous and should be corrected.

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